Datasheet
Table Of Contents
- Figure 1. EVAL6460 demonstration board
- 1 The L6460 main features
- 2 EVAL6460 board description
- 3 The EVAL6460 controlled by the EVAL_IBU-STR7
- Figure 5. EVAL_IBU-STR7 board
- Figure 6. EVAL_IBU-STR7 schematic board
- 3.1 Board connection and configuration
- 3.2 Starting flexSPIN evaluation software
- Figure 13. FlexSPIN evaluation software - start window
- 3.2.1 How to turn-on the VswDrv regulator
- 3.2.2 How to enable the DC1 and DC2 output bridges
- 3.2.3 How to enable the DC3 and DC4 output bridges
- 3.2.4 How to assign and read a GPIO
- 3.2.5 How to read and clear an undervoltage event
- 3.2.6 How to manage the interrupt controller
- 3.2.7 How to put the device into "low power" condition and awaken it
- 3.2.8 How to generate a PWM
- 3.2.9 How to close the low voltage power switch
- 3.2.10 How to measure an input voltage using A-D converter
- 3.2.11 How to use the digital comparator
- 3.2.12 How to configure and program the device via the SPI sequencer
- 3.2.13 How to read the device temperature
- 3.2.14 How to work in master - slave configuration
- 4 Revision history
AN3097 The EVAL6460 controlled by the EVAL_IBU-STR7
Doc ID 16599 Rev 2 27/34
Figure 29. GPIO11 configuration for PWM
3.2.9 How to close the low voltage power switch
Low voltage power switches are analog switches designed to operate from a single +2.4 V
to +3.6 V V
GPIO_SPI
supply. They are intended to provide and remove the power supply to
low voltage devices.
When switched on, they connect the VGPIO_SPI pin to their output pin, GPIO6 for low
voltage power switch 1 or GPIO7 for low voltage power switch 2, therefore powering the
device connected to it.
In the first software window click the L6460 device and then the "GPIOs" button, the window
in Figure 25 appears.
To enable the power switch 1, set the connection as in Figure 30, the GPIO6 switch is now
closed.
Figure 30. Low power switch 1 enable
By pushing the 'refresh' button you can check the pin voltage value. To open the switch set
the connection as in Figure 31.
!-V